Determination of tocopherols and sterols in vegetable oils by solid-phase extraction and subsequent capillary gas chromatographic analysis.

@article{Lechner1999DeterminationOT,
  title={Determination of tocopherols and sterols in vegetable oils by solid-phase extraction and subsequent capillary gas chromatographic analysis.},
  author={Michael Lechner and Birgit Reiter and Eberhard Lorbeer},
  journal={Journal of chromatography. A},
  year={1999},
  volume={857 1-2},
  pages={
          231-8
        }
}
In general, analyses of tocopherols and sterols are performed separately in vegetable oils. By applying solid-phase extraction (SPE) prior to capillary gas chromatography, a simple and reliable procedure for the quantification of both tocopherols and sterols in a single analytical run has been developed. SPE was used as sample clean up procedure for the separation of these minor components from the triacylglycerol matrix, replacing time consuming saponification or on-line LC-GC. The analysis of… CONTINUE READING
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